Dr. Phillip K. Kiyasu
- Gender: Male
- Experience: 34 years
- Graduated from: Tulane University School Of Medicine
- Graduation year: 1987
- Sole propriator: No
- NPI: 1124010673
Dr. Phillip K. Kiyasu MD
Gastroenterologist
He is located at 1111 Northeast 99th Avenue Suite 301 in Portland, OR 97220. Can help patients with the following: Abdominal Pain, Chronic Obstructive Pulmonary Disease (COPD), Constipation, Hyperlipidemia, Influenza, Obesity. His National Provider Identifier (NPI) number is 1124010673. Appointment can be made via the phone number (503) 963-2707. He is affiliated with 1 practices and 2 hospitals.
Conditions treated
Dr. Phillip K. Kiyasu, being an gastroenterologist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Phillip K. Kiyasu.
- Abdominal Pain
- Acute Pain
- Anemia
- Arthritis
- Ascites
- Asthma
- Atherosclerosis
- Autoimmune Hepatitis
- Bad Breath
- Barrett's Esophagus
- Bladder Control
- Bleeding Varices
- Blood in Stool
- Botulism
- Cancer
- Carcinoid Tumor
- Celiac Disease
- Chest Pain
- Childhood Obesity
- Cholecystitis
- Chronic Obstructive Pulmonary Disease (COPD)
- Cirrhosis
- Clostridium Difficile Colitis
- Colitis
- Colonoscopy
- Common Cold
- Constipation
- Crohn's Disease
- Cystitis
- Diarrhea
- Diverticulosis
- Edema
- Eosinophilic Esophagitis
- Esophagitis
- Fatty Liver Disease
- Feeding and Swallowing
- Fever
- Food Allergies
- Gallbladder Pain
- Gastric Bypass Surgery
- Gastritis
- Gastroesophageal Reflux Disease (GERD)
- Gastroparesis
- General Care
- Headache
- Heart Disease
- Heartburn
- Helicobacter Pylori Infection
- Hemorrhoids
- Hepatitis A (HAV)
- Hepatitis B (HBV)
- Hepatitis C (HCV)
- Hiatal Hernia
- High Blood Pressure
- Hot Flashes
- Hyperlipidemia
- Hyponatremia
- Indigestion
- Inflammatory Bowel Disease (IBD)
- Influenza
- Inguinal Hernia
- Internal Bleeding
- Intussusception
- Irritable Bowel Syndrome (IBS)
- Lactose Intolerance
- Leaky Gut Syndrome
- Liver Disease
- Migraine
- Nausea and Vomiting
- Obesity
- Osteoporosis
- Pancreas Divisum
- Pancreatic Cancer
- Pancreatic Cysts
- Pancreatitis
- Peptic Ulcer
- Portal Hypertension
- Prescription Refill
- Primary Biliary Cirrhosis (PBC)
- Primary Sclerosing Cholangitis (PSC)
- Stomach Cancer
- Swallowing Disorders
- Ulcerative Colitis
- Urethritis
- Urinary Tract Infection (UTI)
Procedures Performed by Dr. Phillip K. Kiyasu
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Phillip K. Kiyasu as in-network for the following 2026 plans.
Health plans
Moda Health Plan, Inc.
Network data as of Sep 12, 2026, as reported by the insurer.
Show all 13 plans from Moda Health Plan, Inc.
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Moda Health Affinity Bronze 8000 | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Moda Health Affinity Bronze 9000 | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Moda Health Affinity Bronze HDHP 7500 | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Moda Health Affinity Gold 1000 | EPO · Gold | Preferred | Accepting new patients |
| Moda Health Affinity Gold 1500 | EPO · Gold | Preferred | Accepting new patients |
| Moda Health Affinity Gold 250 | EPO · Gold | Preferred | Accepting new patients |
| Moda Health Affinity Silver 3000 | EPO · Silver | Preferred | Accepting new patients |
| Moda Health Affinity Silver 3400 | EPO · Silver | Preferred | Accepting new patients |
| Moda Health Affinity Silver 4500 | EPO · Silver | Preferred | Accepting new patients |
| Moda Health Affinity Silver 6000 | EPO · Silver | Preferred | Accepting new patients |
| Moda Health Oregon Standard Bronze Affinity | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Moda Health Oregon Standard Gold Affinity | EPO · Gold | Preferred | Accepting new patients |
| Moda Health Oregon Standard Silver Affinity | EPO · Silver | Preferred | Accepting new patients |
PacificSource Health Plans
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 9 plans from PacificSource Health Plans
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Core Bronze HSA 7500 | EPO · Expanded Bronze | Tier Two | Accepting new patients |
| Core Bronze HSA 8300 | EPO · Expanded Bronze | Tier One | Accepting new patients |
| Core Gold 1500 | EPO · Gold | Tier Two | Accepting new patients |
| Core Gold 3000 | EPO · Gold | Tier Two | Accepting new patients |
| Core Silver 4500 | EPO · Silver | Tier Two | Accepting new patients |
| Core Silver 7500 | EPO · Silver | Tier Two | Accepting new patients |
| PacificSource Oregon Standard Bronze HSA Plan Core | EPO · Expanded Bronze | Tier Two | Accepting new patients |
| PacificSource Oregon Standard Gold Plan Core | EPO · Gold | Tier Two | Accepting new patients |
| PacificSource Oregon Standard Silver Plan Core | EPO · Silver | Tier Two | Accepting new patients |
This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. Phillip K. Kiyasu is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
Medicare Enrollment
Dr. Phillip K. Kiyasu is enrolled to bill Medicare as a Practitioner - Gastroenterology .
Bills through: The Oregon Clinic, Pc
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Payments received
Drug payment
| Janssen | $13 |
Other
| Food and Beverage | $13 |
Studies
TULANE UNIVERSITY SCHOOL OF MEDICINE
Graduated in 1987Additional Specialities
- Internist
Looking for more Gastroenterologists?
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- Gender: Male
- Address: 1111 Northeast 99th Avenue Portland, 97220, OR
- Gender: Female
- Address: Suite 301 1111 Northeast 99th Avenue Portland, 97220, OR
- Gender: Male
- Address: 1111 Northeast 99th Avenue Portland, 97220, OR
- Gender: Male
- Address: Suite 301 1111 Northeast 99th Avenue Portland, 97220, OR
- Gender: Male
- Address: Suite 301 1111 Northeast 99th Avenue Portland, 97220, OR
- Gender: Male
- Address: Suite 301 1111 Northeast 99th Avenue Portland, 97220, OR
- Gender: Female
- Address: Suite 301 1111 Northeast 99th Avenue Portland, 97220, OR
- Gender: Male
- Address: Suite 301 1111 Northeast 99th Avenue Portland, 97220, OR
- Gender: Male
- Address: Suite 301 1111 Northeast 99th Avenue Portland, 97220, OR
- Gender: Male
- Address: 1111 Northeast 99th Avenue Portland, 97220, OR
Questions & Answers
Where can you meet with Dr. Phillip K. Kiyasu?
Dr. Phillip K. Kiyasu's office is located at 1111 Northeast 99th Avenue Suite 301 in Portland, OR 97220.
Does Dr. Phillip K. Kiyasu have affiliation with practices?
Dr. Phillip K. Kiyasu is affiliated with Oregon Clinic.
Has Dr. Phillip K. Kiyasu affiliation with hospitals?
Dr. Phillip K. Kiyasu is affiliated with PROVIDENCE PORTLAND MEDICAL CENTER. For the full list of hospitals see this list.
Does Dr. Phillip K. Kiyasu accept patients with PacificSource Health Plans?
Yes, Dr. Phillip K. Kiyasu is listed in-network for PacificSource Health Plans through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.
What conditions does Dr. Phillip K. Kiyasu treat?
Dr. Phillip K. Kiyasu provides treatment for Abdominal Pain, Chronic Obstructive Pulmonary Disease (COPD), Constipation, Hyperlipidemia, Influenza, Obesity. For the full list see this list.